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EP 0339374 B1 19940302 - A magnetron.

Title (en)

A magnetron.

Title (de)

Magnetron.

Title (fr)

Magnétron.

Publication

EP 0339374 B1 19940302 (EN)

Application

EP 89106538 A 19890412

Priority

JP 10213388 A 19880425
JP 10456388 A 19880427
JP 11959688 A 19880517

Abstract (en)

[origin: EP0339374A1] A magnetron in which a choke for preventing leakage of harmonic components of leaking microwaves to the outside of the tube is formed by a metal piece (17) with slots (18) that is placed within the tube or a conductive film that is placed on an insulating area of the stem (13).

IPC 1-7

H01J 23/15; H01J 23/54

IPC 8 full level

H01J 23/05 (2006.01); H01J 23/15 (2006.01); H01J 23/54 (2006.01); H04N 1/00 (2006.01)

CPC (source: EP KR US)

H01J 23/05 (2013.01 - KR); H01J 23/15 (2013.01 - EP US); H01J 23/54 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0339374 A1 19891102; EP 0339374 B1 19940302; DE 68913331 D1 19940407; DE 68913331 T2 19940609; KR 900017075 A 19901115; KR 920010698 B1 19921212; US 5021713 A 19910604

DOCDB simple family (application)

EP 89106538 A 19890412; DE 68913331 T 19890412; KR 890005438 A 19890425; US 33802289 A 19890414